Department of Physics, Higher Teacher Training College-Bambili, The University of Bamenda, Bamenda, Cameroon;
Laboratory of Mechanics, Department of Physics, Faculty of Science, The University of Yaoundé 1, Yaoundé, Cameroon;
Harmonic; Balance; Linearization; Continuous; Force; Function; Single; Degree-of-Freedom; Conservative; System; Jacobian; Elliptic; Functions; Symmetric; Oscillations;